/* ==========================================================================
   PrecisionDB - Design System & Modern Stylesheet
   Geographic Focus: Argentina (Patagonia, Paraná, Tierra del Fuego)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette - Deep Aquatic & Patagonian Tones */
  --bg-dark: #070e17;
  --bg-card: rgba(15, 27, 43, 0.75);
  --bg-card-hover: rgba(22, 39, 61, 0.85);
  --bg-surface: #0b1726;
  --bg-surface-light: #132236;
  
  --primary: #2a9d8f;
  --primary-glow: rgba(42, 157, 143, 0.4);
  --accent-gold: #e9c46a;
  --accent-gold-glow: rgba(233, 196, 106, 0.3);
  --accent-orange: #f4a261;
  --accent-river: #48cae4;
  
  --text-main: #f8f9fa;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-active: rgba(42, 157, 143, 0.4);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(42, 157, 143, 0.25);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.top-bar {
  background: rgba(7, 14, 23, 0.95);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  color: var(--text-muted);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.flag-icon {
  width: 16px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
  background: linear-gradient(180deg, #75aadb 33.3%, #ffffff 33.3%, #ffffff 66.6%, #75aadb 66.6%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 23, 38, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-logo i {
  color: var(--primary);
  font-size: 1.75rem;
}

.brand-logo span.highlight {
  color: var(--accent-gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-gold));
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-btn {
  background: linear-gradient(135deg, var(--primary), #1b6a60);
  color: #fff;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  padding: 8rem 0 6rem;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 20%, rgba(42, 157, 143, 0.15), transparent 70%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: brightness(0.4) contrast(1.1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(7, 14, 23, 0.4) 0%, rgba(7, 14, 23, 0.95) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(42, 157, 143, 0.15);
  border: 1px solid rgba(42, 157, 143, 0.4);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #1e6a60);
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold), #c99a3c);
  color: #0b1726;
  font-weight: 700;
  box-shadow: 0 4px 20px var(--accent-gold-glow);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-gold-glow);
}

/* Stats Ribbon */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  background: var(--bg-card);
  padding: 1.5rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
  border-right: 1px solid var(--border-light);
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Section Layouts & General Styling
   ========================================================================== */

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-subtitle {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.35rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #fff;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Card Components */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: var(--bg-card-hover);
}

.card-img-wrap {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img-wrap img {
  transform: scale(1.08);
}

.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(7, 14, 23, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
  color: var(--accent-gold);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #fff;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.link-arrow {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.link-arrow:hover {
  gap: 0.6rem;
  color: var(--accent-gold);
}

/* Feature Spec Grid */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 1rem 0;
  font-size: 0.85rem;
}

.spec-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.spec-item strong {
  color: var(--text-main);
  display: block;
}

.spec-item span {
  color: var(--text-muted);
}

/* Interactive Weather/River Widget */
.weather-widget {
  background: linear-gradient(145deg, rgba(19, 34, 54, 0.9), rgba(11, 23, 38, 0.9));
  border-radius: var(--radius-md);
  border: 1px solid var(--border-active);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.widget-title {
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
}

/* Tab Controls */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.6rem 1.25rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

/* Content Page Banner */
.page-banner {
  padding: 4rem 0 3rem;
  background: linear-gradient(180deg, rgba(19, 34, 54, 0.8) 0%, var(--bg-dark) 100%);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.page-title {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(7, 14, 23, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

/* Table Styles */
.custom-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.custom-table th {
  background: rgba(19, 34, 54, 0.9);
  color: var(--accent-gold);
  font-family: var(--font-heading);
  text-align: left;
  padding: 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-light);
}

.custom-table td {
  padding: 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
}

.custom-table tr:last-child td {
  border-bottom: none;
}

.custom-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-main);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  height: 260px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border-light);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 14, 23, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 0.9;
  transition: var(--transition);
}

.gallery-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.gallery-sub {
  font-size: 0.82rem;
  color: var(--accent-gold);
}

/* Modal Lightbox */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 10, 18, 0.92);
  backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  max-width: 800px;
  width: 100%;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

/* Footer */
.site-footer {
  background: #040910;
  border-top: 1px solid var(--border-light);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin: 1rem 0;
  font-size: 0.9rem;
}

.footer-title {
  font-family: var(--font-heading);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title { font-size: 2.75rem; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-light); padding-bottom: 0.75rem; }
  .stat-item:last-child { border-bottom: none; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-surface);
    flex-direction: column;
    padding: 2rem;
    align-items: flex-start;
    transition: var(--transition);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-title { font-size: 2.2rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
}